Extension Springs for Bicycle
As a professional spring manufacturer, we can customize various Extension Springs for Bicycle. According to the customer’s drawings or samples, we can provide reliable quality and low-cost products.Many customer stick to us from the begainning of business.
Model Number:YB01SP-0025
Style:Spiral
Material:Steel
Usage:Bicycle parts
Finish:Plating
Wire diameter:0.1~10mm
Tolerance:+-0.01 or custom
Inspection:100% factory inspection in house
Custom Extension Springs
Product name |
Extension Springs for Bicycle
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Type | Tension Spring | |||
Material
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Carbon steel: 4140 | 4130, etc.
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Stainless steel: SS201 | SS301 | SS303 | SS304 | SS316 | SS416, etc.
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Brass: C35600 | C36000 | C37700 | C37000 | C37100 | C28000 | C26000 | C24000 | C22000. etc.
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Copper: C11000 | C12000 | C12200 | C10100, etc.
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Iron: 20#45# | Q235 | Q345B | 1214/1215 | 12L14, etc.
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Surface Treatment
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Powder coated | Brushing | Oil spraying | Electro polishing | Sand blasted |Zinc plating | Painting | Nickle plating | Chrome plating, etc.
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Quality assurance
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ISO9001:2021
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Bicycle Extension Springs Packing and Delivery
1.The package of the metal stamping parts are different to the custommers demanding, ordinary speeking, we first use plastic bags and the paper cartons.
2. The shippment of the metal stamping parts will be happened after we get the payment in 10days and there are airway and seaway for you to choice, by airway you will get it in 3-5days. About the shipment, you are wecome to make the choice, and we are always at your side
How to Springs
1. Provide sample drawings (such as customized springs, need to provide specific dimensions such as hole diameter, outer diameter, inner diameter, wire diameter, free length, etc)
2. Material of Bicycle Extension Springs (such as customized spring, optional stainless steel, piano wire, ordinary carbon steel wire, oil quenched alloy, high temperature alloy, special alloy, etc)
3. Confirm the quantity, do you need to make a sample first.
4. Agreed delivery time.
5. Confirm contract or pre-paid proofing fee (refunded for mass production)
6. Shipment according to the agreed time (international express delivery)